- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°18'57"N 4°6'53"W
- Eastings/Northings: 249521, 48365
- OS Grid: SX495483
- Mapcode Local: GBR NX.YJVT
- Mapcode Global: FRA 2886.8PV
Location and coordinates are for the approximate centre of Crab Rock within this administrative area.
Geographic features and populated places may cross administrative borders.